/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Selection/GeometrySelectionManager.h
Apply ProcessFunc to active selections via handles, perhaps should be public?
void ProcessActiveSelections ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void([FGeometrySelectionHandle](API\Plugins\ModelingComponents\Selection\FGeometrySelectionHandle))> ProcessFunc )